Thirsty plants are sucking up water that would otherwise end up in the Colorado River, according to a new study. The findings ...

Upper and Lower Basin states are at odds over post-2026 operations for the drought-stricken river, raising litigation risks ...

The Colorado River system’s immediate outlook got even worse this week when federal forecasters downgraded the expected ...

Arizona leaders are getting antsy as the state’s water future hangs in limbo without a negotiated deal on Colorado River sharing guidelines and without federal intervention.

Documenting the Colorado River, Pete McBride's photography reflects on the drought and its impact on this vital water source.

Extended warm weather across the Colorado River basin could reduce the amount of water delivered during spring runoff to a ...

The seven Western states that depend on the Colorado River have missed a deadline for the second time to agree on a plan addressing record drought and water shortages.

Federal water managers are scrambling to write new rules for the Colorado River before current operating guidelines expire at ...

As a record-hot winter continues across much of the West, forecasters are dialing back estimates for how much water will flow into the Colorado River during the spring runoff. The latest models show ...

The lower basin states of California, Arizona and Nevada are calling for mandatory water cuts in the upper basin states of ...

As the temperature keeps heating up, the Colorado River's expected spring-summer flows into Lake Powell keep declining.